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// Copyright 2019 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "common/Log.h"
#include "common/Assert.h"
#include "common/Platform.h"
#include <cstdio>
#if defined(DAWN_PLATFORM_ANDROID)
# include <android/log.h>
#endif
namespace dawn {
namespace {
const char* SeverityName(LogSeverity severity) {
switch (severity) {
case LogSeverity::Debug:
return "Debug";
case LogSeverity::Info:
return "Info";
case LogSeverity::Warning:
return "Warning";
case LogSeverity::Error:
return "Error";
default:
UNREACHABLE();
return "";
}
}
#if defined(DAWN_PLATFORM_ANDROID)
android_LogPriority AndroidLogPriority(LogSeverity severity) {
switch (severity) {
case LogSeverity::Debug:
return ANDROID_LOG_INFO;
case LogSeverity::Info:
return ANDROID_LOG_INFO;
case LogSeverity::Warning:
return ANDROID_LOG_WARN;
case LogSeverity::Error:
return ANDROID_LOG_ERROR;
default:
UNREACHABLE();
return ANDROID_LOG_ERROR;
}
}
#endif // defined(DAWN_PLATFORM_ANDROID)
} // anonymous namespace
LogMessage::LogMessage(LogSeverity severity) : mSeverity(severity) {
}
LogMessage::~LogMessage() {
std::string fullMessage = mStream.str();
// If this message has been moved, its stream is empty.
if (fullMessage.empty()) {
return;
}
const char* severityName = SeverityName(mSeverity);
#if defined(DAWN_PLATFORM_ANDROID)
android_LogPriority androidPriority = AndroidLogPriority(mSeverity);
__android_log_print(androidPriority, "Dawn", "%s: %s\n", severityName, fullMessage.c_str());
#else // defined(DAWN_PLATFORM_ANDROID)
FILE* outputStream = stdout;
if (mSeverity == LogSeverity::Warning || mSeverity == LogSeverity::Error) {
outputStream = stderr;
}
// Note: we use fprintf because <iostream> includes static initializers.
fprintf(outputStream, "%s: %s\n", severityName, fullMessage.c_str());
fflush(outputStream);
#endif // defined(DAWN_PLATFORM_ANDROID)
}
LogMessage DebugLog() {
return {LogSeverity::Debug};
}
LogMessage InfoLog() {
return {LogSeverity::Info};
}
LogMessage WarningLog() {
return {LogSeverity::Warning};
}
LogMessage ErrorLog() {
return {LogSeverity::Error};
}
LogMessage DebugLog(const char* file, const char* function, int line) {
LogMessage message = DebugLog();
message << file << ":" << line << "(" << function << ")";
return message;
}
} // namespace dawn